HMAS Sydney Mast naval monument Memorial Memorial to Australian officers, sailors and ships lost at sea, made from the mast of the first HMAS Sydney, and visible in Sydney Harbour from its location at Bradleys Head. Locate -33.85347311833, 151.24626091154 Type Memorial {"name":"Memorial","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null} image